If this story and the life of Floyd Landis couldn’t get any worse. First the allegations of using illegal substances during the Tour de France, the two failed drug tests and finally Floyd Landis’ father-in-law commits suicide.Ã‚ 57-year-old David Witt was discovered at a parking garage Tuesday afternoonÃ‚ with aÃ‚ gunshot wound toÃ‚ his head. The death wasÃ‚ ruled a suicide.